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Plasma-Material Interaction Data Set 120
Permeation of D in Steel
$$
P = P_0 \exp\left(-\frac{E_\mathrm{p}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Steel
- Alloy: F82H
- Method: Experiment
- Data scaled for isotope mass? No
- P0 = 3.9e-08 mol m-1 s-1 Pa-1/2
- Ep = 0.42 eV
- T = 373 – 743 K
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- B100: E. Serra, A. Perujo, G. Benamati, "Influence of traps on the deuterium behaviour in the low activation martensitic steels F82H and Batman
", Journal of Nuclear Materials 245, 108-114 (1997). [10.1016/s0022-3115(97)00021-4]
Comment
Fitting expression for flux vs temperature for permeability. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.